1μ????üμ?′???2??ò???ü?????￡′ó?üêμ?ò?úò1°???è?°áà?￡?è????··-1yá??·é?,à′μ?á??t3??￡

?????ú??à′μ??ü?ó?-2?ê???3Dμ??×D?ê???,????à′?′óú2?ì???òaμ?μ?·?,òò×??a′?1?íaóDá?°ü?ì,?àá?oü?àè?±?è?????áùê±?￥é??￡?aD??ê3ˉí￠μ??üa?ê±ê±í??·,2???????D?oíμ?μ?1??D±??í?￠???￡??ò?ò?ê???oó￡???????D?oíμ??ü?óà?D??￡?-1y°??êμ??ú??￡???????ê?è??a??í?????éí·￡·??÷￡?óúê?????ò2??òaD?·t??3D?￡

?????t3?à????°μ?óaμ?óD??°ùà???￡?è?1yò?×ùé?,ìì??òa?ˉoí2?éù?￡

?????|ó3???íìy?μ1y′?μ?,?aê???3Déù?êê±?ú?÷′|íùà′μ?±??-??μ??￡???-??ê?ò???D??ò￡?oóà′òò×?è??úíùà′?ú?à￡??e?￥3éá?3?3??￡

?????|ó3μ?á?3??Dμ?ò?×ù?o×ó,′òá??eà′￡o?°?aê???′ ?α??? ?????и ： щ ?? щ . ?? ?? ?? ? . ?? ?? ? ó?°×?μ?μ?·?￡??±

?????°à??￡?±??3D???ü?óפ?úμ?ê?·??ào?á?,±???×??|ó3à′μ?×?′|?￡

??????3Dê????êò??°×?μ??àê??ê1?￡?ê????êò?oó￡??aà???ê?3￡?ó??μ??￡?-àúD?oíμ?μ??ùò?oó,?ê1?à?μ?éú??o??￡ò??-?°2?μ?á?￡?è?????ê￡?aà?á??￡

????óúê??|ó3D???ê?×?,?§×??Y×ó1?á??eà′?￡?aê?ò?×ùèy??μ??o??￡??°??μ??o×óóD?á?íêòêé·??Y??3??￡á?è??èê??ú?á?íêòoèá?ò??á?ù2è￡?è?oó×?×ó±??aê?1?,?èê???á?êé·?￡?êé?üé???μ??àê?±?êé,ò??°êy±?·?íáμ?àí???￡

?????|ó3′ó??é¨á?ò?è|￡?′óêé?üé?3é3???±?êé￡????′á??′￡???oó·￠?????Dò?±?óDDí?à?′2???μ???×?￡?±??êμà￡o?°?aê?ê2?′￡??±

?????°é???ê??÷±±ía×?2???3￡??μ???????×??￡?±??3Dμà?￡

????é?1ù????2?Dèòa?°?§?ü×?ó???￡??é×ü?áá???±???×?????ò?±?2?ê±??Dè?￡?|ó3′ó?°×?μ?±?ê?àà??μ?ê??é￡?×?è?êì?¤￡???ê?ó???2?í?￡???D?ê?·-??á?????￡??′??é???ó?ooó?±ê×￠μ?μòè?ó?￡?èáè?ó?￡?DY?-1úó?μè￡?o????êμà￡o?°?ò??μ???′ó?°?μ￡?DY?-1ú?ú?÷????1?é?é?￡???μ?ò2′ò1y??μà￡??±

?????°?°???ê?áóDD?1éDY?-è???×°?±è?￡?μ1??óD??3?1y?ò×ó?￡μ??aá??êDY?-1úD?ê??è?¨??à